Figure 9. Fasting before delousing by Alpha Max, Salmosan, Freshwater Freshwater and Hydrolicer, Hydrolicer, SkaMik, Thermolicer, or Thermolicer and Optiflush. A) Number of fasting days, B) Number of degreee days (number of days * sea temperature). The middle line of the boxplots is the median, the upper and lower parts of the boxes are the 75- and 25-percentiles, the whiskers the highest/smallest value within the 1.5*the interquartile range, and the dots the values outside the whiskers.
